Tractor



FIG. 1 is a perspective view of a tractor of the present invention;

FIG. 2 is a front view thereof

FIG. 3 is a rear view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a left side elevational view thereof. 

The ornamental design for a tractor, as shown and described. 